First, the price can't be beat. .But I bought out of ten. I've used two so far. The first didn't work. Attempting to download a 5GB file took several hours but didn't complete. tried another one and it worked. But it makes me suspicious. I was so concerned about the second one that I immediately transferred the entire contents to another hard drive just to be safe. I'll test the rest soon and update the rating if I find the rest perfect, but right now I'm worried that you have to buy 10 to get 5 good ones. Sorry this is incomplete.
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